Definition from Wiktionary, the free dictionary
spectrometer (plural spectrometers)
- (analytical chemistry) An optical instrument for measuring the absorption of light by chemical substances; typically it will plot a graph of absorption versus wavelength or frequency, and the patterns produced are used to identify the substances present, and their internal structure.
instrument for measuring the absorption of light by chemical substances
- Hyphenation: spec‧tro‧me‧ter